Question: What is the birth place of Margery Williams that has town and is part of the London Borough of Ealing?
Paraphrase: What is the birth put of Margery Williams that has town and is portion of the London Borough of Ealing?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q948301 wdt:P19 ?answer . ?answer wdt:P150 wd:Q207218}
Answer: Greater London